Year	Number
1996	45.1612892150879
1998	51.3368988037109
2000	48.4042549133301
2002	44.4444427490234
2003	51.3227500915527
2004	48.2758636474609
2005	50.7317085266113
2006	40
2007	40.2912635803223
2008	38.8349533081055
2009	46.4114837646484
2010	43.3333320617676
2011	44.5497627258301
2012	43.6018943786621
2013	44.5497627258301
2014	37.019229888916
2015	35.238094329834
2016	39.0476188659668
2017	41.4285697937012
2018	39.0476188659668
2019	35.7142868041992
2020	35.238094329834
2021	34.761905670166
2022	35.8490562438965